TY - RPRT TI - Visible and non-visible EEG changes demonstrated by spectral parameter analysis. AU - A Isaksson AU - K Lagergren AU - A Wennberg PY - 1976 DO - 10.1016/0013-4694(76)90116-4 UR - https://pubmed.ncbi.nlm.nih.gov/60211/ ID - 60211 ER -